Cisco IPS-4345-K9 Networking Security Appliance 8 Port
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IPS-4345-K9 Cisco IPS 4345 Network Security Appliance Refurbished

Availability: In Stock
Part Number#: IPS-4345-K9
List Price was: $2119.23
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Short Description:
IPS-4345-K9 Intrusion Protection System (IPS) 4345 8x Network (RJ-45) Ports 10/100/1000Base-T Manageable Gigabit Ethernet Network Security/Firewall Appliance | Made by Cisco | Refurbished
Product Condition:
Warranty provided by ALLHDD.COM:
90 Days

Best Practices for Optimizing Performance

Here are some best practices for optimizing performance of the IPS-4345-K9 Cisco IPS 4345 Network Security Appliance:

  • Plan the deployment: Plan the deployment of the IPS-4345-K9 in advance by determining the appropriate placement, the configuration options, and the expected traffic loads.
  • Monitor Traffic: Regularly monitor the traffic that is flowing through the IPS-4345-K9 to ensure that it is performing at optimal levels.
  • Optimize Network Performance: Optimize the performance of the network infrastructure by ensuring that network devices, such as switches and routers, are configured correctly.
  • Update Signatures: Keep the IPS-4345-K9 signature database up-to-date by regularly downloading and installing signature updates from Cisco. This ensures that the IPS-4345-K9 can detect and block the latest threats.
  • Use Inline Mode: Deploy the IPS-4345-K9 in inline mode to ensure that all traffic passes through the appliance and is inspected for threats.
  • Disable Unused Features: Disable any unused features on the IPS-4345-K9 to reduce the processing load on the device.
  • Use High-Performance Interfaces: Use high-performance interfaces, such as 10 Gbps or faster, to ensure that the IPS-4345-K9 can handle high traffic loads.
  • Use Hardware Acceleration: Enable hardware acceleration on the IPS-4345-K9 to offload processing from the CPU and improve performance.
  • Monitor CPU and Memory Usage: Monitor the CPU and memory usage of the IPS-4345-K9 to ensure that the device is not overutilized.
  • Use Clustering: Use clustering to scale the performance of the IPS-4345-K9 by deploying multiple appliances in a cluster.
  • Optimize Policies: Optimize the IPS policies to reduce the number of signatures that need to be processed by the IPS-4345-K9. This can improve performance and reduce false positives.
  • Optimize Network Design: Optimize the network design to minimize network bottlenecks and improve overall network performance.
  • Regular Maintenance: Regularly perform maintenance on the IPS-4345-K9 to ensure that it is operating at optimal levels.
  • Implement Load Balancing: Implement load balancing to distribute traffic evenly across multiple IPS appliances.
  • Regular Performance Testing: Regularly test the performance of the IPS-4345-K9 to ensure that it is operating at optimal levels.

Features and Benefits

The IPS-4345-K9 Cisco IPS 4345 Network Security Appliance is a high-performance intrusion prevention system designed to provide advanced threat protection for large enterprise networks. Here are some of its features and benefits:

  • High-performance hardware: The IPS-4345-K9 appliance is powered by high-performance hardware, including a multicore CPU and dedicated hardware for packet processing, enabling it to handle high traffic volumes without impacting network performance.
  • Customizable inspection: The IPS-4345-K9 allows administrators to define custom inspection rules and filters to meet the specific needs of their network, enabling them to identify and block a wide range of threats.
  • Advanced threat protection: The IPS-4345-K9 uses advanced threat protection techniques, including signature-based detection, anomaly detection, and protocol analysis, to identify and block known and unknown threats in real-time.
  • Integration with other Cisco security solutions: The IPS-4345-K9 integrates with other Cisco security solutions, such as firewalls and VPNs, enabling administrators to create a layered defense strategy for their network.
  • Centralized management: The IPS-4345-K9 can be managed centrally using the Cisco Security Manager (CSM), enabling administrators to monitor and configure multiple appliances from a single console.
  • Flexible deployment options: The IPS-4345-K9 can be deployed inline or in passive mode, allowing administrators to choose the best deployment option based on their network architecture and security requirements.
  • Customizable reporting: The IPS-4345-K9 provides customizable reporting and alerting, enabling administrators to receive real-time notifications of potential threats and quickly respond to security incidents.
  • Scalability: The IPS-4345-K9 is designed to scale to meet the needs of growing networks, enabling administrators to add more appliances as their network expands.
  • Reduced downtime: The IPS-4345-K9 uses hot-swappable components, enabling administrators to replace failed components without interrupting network traffic.
  • Reduced total cost of ownership: The IPS-4345-K9's high-performance hardware, flexible deployment options, and centralized management capabilities can help reduce the total cost of ownership for network security.

Management and Monitoring

The IPS-4345-K9 Cisco IPS 4345 Network Security Appliance can be managed and monitored using various tools and methods. Here are some key aspects of management and monitoring for this appliance:

  • Command Line Interface (CLI): The IPS-4345-K9 appliance can be managed and monitored using the Command Line Interface (CLI). This interface provides access to advanced configuration options, monitoring tools, and troubleshooting commands.
  • Cisco Security Manager: Cisco Security Manager is a centralized management tool that can be used to manage multiple Cisco security devices, including the IPS-4345-K9. This tool provides a graphical interface for configuring policies, managing signatures, and monitoring device health.
  • Monitoring and Alerting: The IPS-4345-K9 appliance can be configured to generate alerts and notifications when it detects potential threats or security events. These alerts can be sent to a central management console, emailed to administrators, or sent to a syslog server for analysis.
  • Logging and Reporting: The IPS-4345-K9 appliance can generate detailed logs of all network traffic it inspects, including information on detected threats and events. These logs can be exported for further analysis or integrated with third-party security information and event management (SIEM) solutions.
  • Signature Updates: The IPS-4345-K9 appliance requires regular signature updates to ensure that it can detect and block the latest threats. These updates can be configured to download automatically from Cisco or can be downloaded manually and installed on the appliance.
  • High Availability: The IPS-4345-K9 appliance can be deployed in a high availability configuration, where two appliances are deployed in an active-passive configuration. This configuration ensures that if one appliance fails, the other appliance will take over without any disruption to the network.
  • Performance Monitoring: The IPS-4345-K9 appliance can be monitored for performance metrics, such as CPU and memory utilization. This monitoring can help identify potential performance issues and optimize the appliance for maximum efficiency.

In conclusion, the IPS-4345-K9 Cisco IPS 4345 Network Security Appliance can be managed and monitored using a range of tools and methods. By leveraging these tools and methods, administrators can configure and optimize the appliance for effective threat protection and intrusion prevention while ensuring high availability and performance.

General Information

  • Manufacturer: Cisco Systems, Inc
  • Manufacturer Part Number: IPS-4345-K9
  • Brand Name: Cisco
  • Product Series: 4300
  • Product Model: IPS 4345
  • Product Name: IPS 4345 Sensor
  • Product Type: Network Security/Firewall Appliance

Technical Information

  • Functionality Intrusion Prevention
  • Virtualization-
  • 750000 x Maximum Connections
  • 30000 x Connections Per Second
  • Firewall Protection Intrusion Prevention
  • Firewall Protection Protocol Anomaly Detection
  • Firewall Protection Worm Scanning
  • Firewall Protection Antivirus
  • Firewall Protection Trojan Horse
  • Firewall Protection Reconnaissance Protection
  • Firewall Protection Anti-spyware
  • Firewall Protection Bonk Attack
  • Firewall Protection Malware Protection
  • Firewall Protection Denial of Service (DoS)
  • Firewall Protection Distributed Denial of Service (DDoS)
  • Firewall Protection SYNflood Protection
  • Firewall Protection Content Inspection
  • Firewall Protection Packet Inspection
  • Firewall Protection Access Control


  • Total Number of Ports: 8
  • DSL Port No
  • USB No
  • Serial Port No
  • Modem No
  • PoE (RJ-45) Port No
  • Management Port: Yes
  • Number of Network (RJ-45) Ports: 8

Network & Communication

  • Ethernet Technology: Gigabit Ethernet
  • Network Standard: 10/100/1000Base-T

Wireless Specifications

  • Wireless LAN No

Management & Protocols

  • Manageable: Yes


  • Standard Memory: 8 GB
  • Flash Memory: 8 GB

Power Description

  • Input Voltage: 110 V AC
  • Input Voltage: 220 V AC
  • Power Source: Power Supply
Product Condition:
Warranty provided by ALLHDD.COM:
90 Days

About Refurbished Products

Refurbished products are typically refurbished by an Original Manufacturer or an affiliate of the manufacturer or 3rd party facility. This product may have minor blemishes due to normal product usage and doesn't necessarily come with documentation and software unless indicated, but has been well tested and generally has never had any defects.

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ALLHDD guarantees that the products will not have defects in material that will affect the product's functionality during the Standard Warranty Period. The warranty period starts when the merchandise/items from our warehouse.

What does ALLHDD.Com warranty cover?

30-days to 3 years warranty:

Replacement or refund. In the case of material defects, we will try to replace the product first. The product will be replaced before the expiration of the original warranty. For any failure of hardware, if we cannot process the replacement of the product(s)/model(s), we will refund the original selling/invoiced price. The shipping costs and sales tax, if any, are non-refundable. ALLHDD retains the right to decide whether the item(s) will process for replacement or refund.

What is not covered by our warranty?

The reason why our warranty does not cover any problem caused by the following conditions:

(a) misuse of hardware; accidental damage; carelessness product(s) damage; shock; temperature beyond the specification of any product; faulty installation; operation; modification of goods;

(b) any misuse outside the instructions in the user manual for any specific product;

(c) damaged caused by other hardware or equipment. The warranty will void if the item is returned with physical damage, damage to the retail box, removed from the box, counterfeit labels/labelled by them, or any modifications of internal and external covers. Data loss or damages to any other equipment we do not cover by our offered warranty.

What is the Manufacturer/Brand Warranty?

In general, a manufacturer's warranty service/support is a written guarantee to the buyer of a product. Its terms assure the replacement or repair of the product, if necessary, within a specified period after the purchase (2-5 years depending on the brand/manufacturer). It is typically included in the price of the product. Products are brand new and sealed and the original manufacturer box is complete with the Manufacturer's genuine warranty. For most of the brand new/retail products that come with the manual and box, exceptions may apply (i.e., Cisco, Juniper Networks).

For the server parts (i.e., Dell, HPE) to get Full coverage of the warranty server must have a full 3- 5 years warranty. However, ALLHDD.COM will cover the warranty duration if any Manufacturer doesn't support the advertised warranty and there is no refund for those.
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